Remove new macro, use DETRAY_NO_DEVICE instead

Author: Stewart Martin-Haugh [email protected]

core/include/detray/definitions/detail/qualifiers.hpp

@@ -31,11 +31,3 @@
 #else
 #define DETRAY_ALIGN(x) alignas(x)
 #endif
-
-#if defined(__CUDACC__) || defined(__HIP__) || \
-    defined(CL_SYCL_LANGUAGE_VERSION) || \
-    defined(SYCL_LANGUAGE_VERSION)
-#define DETRAY_ON_DEVICE 1
-#else 
-#define DETRAY_ON_DEVICE 0
-#endif